Electric discharge machine



FIG. 1 is a front view of an electric discharge machine;

FIG. 2 is a left perspective view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right perspective view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a rear perspective view thereof;

FIG. 7 is a rear view thereof;

FIG. 8 is a top view thereof; and,

FIG. 9 is a bottom view thereof.

The broken line showing defines the bounds of the claimed design, but does not form part of the claimed design. 

The ornamental design for an electric discharge machine, as shown and described. 